CN202513503U

CN202513503U - Tower frame of heliostat for central-tower-type power station and cable maintenance device of tower frame

Info

Publication number: CN202513503U
Application number: CN2011205526570U
Authority: CN
Inventors: S.赫斯; Z.施维茨; R.巴沃尔; M.斯卢茨基; N.克卢格曼
Original assignee: Source Industry (israel) Co Ltd Of Light
Current assignee: Source Industry (israel) Co Ltd Of Light
Priority date: 2011-12-27
Filing date: 2011-12-27
Publication date: 2012-10-31
Anticipated expiration: 2021-12-27

Abstract

A tower frame of a heliostat for a central-tower-type power station and a cable maintenance device of the tower frame are provided. The cable maintenance device is used for fixing an external cable and can comprise a clamp for fixing the cable and a belt fixing and maintaining the clamp in a preset position on a vertical pipe of the tower frame.

Description

The pylon and the cable retention device thereof that are used for the heliostat in central tower power station

Technical field

The utility model relates to central tower power station, and is particularly related to the heliostat that is designed for this tower power station, and is specifically related to its parts.

Background technology

Energy supplier is being devoted to seek substituting primary energy always.A kind of such energy is solar energy, and a kind of mode of utilizing solar energy is for adopting central tower power station.

The tower power plant device of a kind of typical central authorities comprises the array of heliostat and collects tower.Each heliostat all is configured to follow the tracks of the sun and daylight is reflected to the groove of collecting tower, thereby heats this groove and content thereof.The heat-transfer fluid (it can be the liquid of fused salt for example or deep fat) that constitutes heat transport medium is contained in the above-mentioned groove.

The hot fluid of heating is delivered to power station (for example steam power station), and wherein the heat energy of hot fluid is used to drive its one or more turbines, so that generate electricity as being connected to generator through the wheel shaft with each turbine in a conventional manner.

The utility model content

The purpose of the utility model is to provide a kind of pylon and cable retention device thereof of pylon of the heliostat that is used for central tower power station, with the fixed outer cable.

For reaching above-mentioned purpose, according to the one side of theme disclosed in the utility model, a kind of cable retention device of pylon of the heliostat that is used for central tower power station is provided, this cable retention device is configured to the fixed outer cable.

This cable retention device comprises anchor clamps and the band that is configured to attached cable, and said band is with said clamps and the pre-position that remains on the vertical tube of said pylon.

Anchor clamps comprise at least one notch.The inner surface of this notch is lined with gasket material.

Anchor clamps also comprise the stomatoplastic cavity of adjacent grooves.

Anchor clamps also are included in the passage that is suitable for accommodating belt on its outside.

Anchor clamps also comprise inside bearing pin.

At least a portion that is configured to the band of stationary fixture is shaped as has two tapes.

Band comprises securing member.

According to the another aspect of theme disclosed in the utility model, a kind of pylon of heliostat is provided, this pylon comprises aforesaid cable retention device.

The advantage of the utility model is: this cable retention device is used for fixing external cable; To promote keeping communication between heliostat and the outer member; And be designed to the anchor clamps of attached cable again through cable retention device, make its attached cable more convenient, reliable, and can keep communication unimpeded.

Description of drawings

In order to understand theme disclosed in the utility model and how to implement in order to understand in practice the utility model, at present will be and only come embodiment is described with unrestriced by way of example with reference to accompanying drawing, wherein:

Fig. 1 is the sketch map in central tower power station;

Fig. 2 is the perspective view of the heliostat in the central tower power station shown in Fig. 1;

Fig. 3 is the perspective view of the pylon of the heliostat shown in Fig. 2;

Fig. 4 is the close-up view of the far-end of the pylon shown in Fig. 3;

Fig. 5 A and 5B are respectively the bottom and the top perspective of the cable retention device of the pylon shown in Fig. 3;

Fig. 6 A is the bottom perspective view of the socket device of the pylon shown in Fig. 3;

Fig. 6 B is the view of Fig. 6 A, has wherein removed the part of the shell of socket device;

Fig. 7 A is the cutaway view of the pylon of VII-VII intercepting along the line among Fig. 3; And

Fig. 7 B is the perspective view of a part of the interface arrangement of the heliostat shown in Fig. 2.

Embodiment

As shown in Figure 1, common central tower power station with 10 expressions is provided.The tower power station 10 of central authorities comprises the array of heliostat 12, and it is configured to the solar radiation of collecting tower 14 reflection bumps.Thereby collect tower 14 and contain the hot fluid (not shown) that also is used for providing electric power by the solar radiation heating of reflection to the power station.The power station can be for example hydroelectric power generation, and in this case, the hot fluid of heating is used to make water overheated, and these water are subsequently through turbine expansion, to obtain the useful energy and to generate electricity.

As shown in Figure 2, each heliostat 12 includes and is configured to heliostat is supported on the base unit 16 of the fixed position in the ground and the heliostat assembly 18 that is supported by base unit.

Base unit 16 comprises the pylon 20 that is fixed in the ground and the position of especially supporting heliostat assembly 18 and the interface arrangement 22 that is supported by pylon.Base unit also comprises azimuth driver 24 and elevation angle driver 26, and it controls the azimuth and the elevation angle of the reflecting surface of heliostat assembly 18 respectively.

Heliostat assembly 18 comprises the torque tube 28 that supports a plurality of support arms 30.Some support arms 30 support the speculum 32 of the reflecting surface that constitutes heliostat 12 through a plurality of carriages 34, and each carriage 34 includes the pad 36 that for example is attached to the back side of speculum through gummed.Also be provided for the brace 38 that supports.Two braces 38 and a support arm 30 constitute triangular structure together, to provide support.

As shown in Figure 3, pylon 20 comprises the tubulose vertical tube 100 of the longitudinal extension that can be processed by galvanized steel.Vertical tube 100 can be hollow, and it has tapered distal end 102 and open proximal 104.This pylon also comprises common anti-rotation device with 106 expressions, cable retention device 108, socket device 110 and common driving bracing or strutting arrangement with 112 expressions.

Be clear that from Fig. 4 far-end 102 can have rounded tip 114, and be shaped as and have through hole 116.In the use of pylon 20, any effect can not played in hole 116, and is the artefact in the manufacture process, and wherein this hole helps the release of gas, and this gas is the accessory substance of galvanizing process.Hole 116 should be as much as possible little so that for example when disposing heliostat 12, pylon inserted ground during, prevent that sand grains or other material from getting into the inside of pylon 20 through this hole.The diameter in said hole can for example be not more than about 10mm.Yet the definite size in hole 116 can be confirmed through considering correlative factor by the designer.

Be formed in most advanced and sophisticated 114 center (that is, at the distal-most end place of pylon 20) though hole 116 is shown, this hole also can be formed in its another position, for example, and on the side of cone.Can select the center in the hole 116 on most advanced and sophisticated 114, so that make.

Anti-rotation device 106 can be shaped towards the far-end 102 of vertical tube 100.It act as when disposing pylon on the ground and the revolving force on the opposing pylon 20 during it is disposed.These power maybe be from wind-force or other power of the top that acts on heliostat 12 (for example, acting on speculum 28).In addition, anti-rotation device 106 can be used for as resisting the power that can during the rotation of speculum, produce through azimuth and/or elevation angle driver, thereby keeps heliostat 12 stability during use.

Anti-rotation device 106 can comprise from vertical tube 100 radially-protruding vertical fins 118.Each fin 118 includes far-end 120 and near-end 122.Said far-end 120 is shaped as wedge, and promptly fin 118 is on the radial height in its distal-most end increases from being roughly zero gradually, and reaches overall height subsequently (that is, relatively than short axial distance).As shown in the figure, the axial length that is configured as the part of wedge can be greater than the radial height of fin 118.This shape helps through the axial resistance that reduces fin 118 pylon 20 insertion ground.

One or more fins 118 can be shaped as has through hole 124.When using or dispose heliostat 12, these hole 124 no function purposes, but it is formed the manufacturing of being convenient to pylon 20, for example through before disposing pylon, it being hung with hook or other similar supporting member.

Though shown pylon 20 comprises two fins 118, the fin of any suitable quantity can be provided also.

Cable retention device 108 is configured to fixed outer cable (not shown), for example can be used for promoting the data cable that communicates between heliostat 12 and the outer member (for example other heliostat and/or be configured to is especially controlled the central processing unit (not shown) of the operation of heliostat).Said cable can lay along the ground between other element in heliostat 12 and/or central tower power station 10.

Shown in Fig. 5 A and 5B, cable retention device 108 can comprise the anchor clamps 126 that are designed to attached cable, and these anchor clamps are through being with 128 to be fixed on the vertical tube 100.

Anchor clamps 126 can be processed by any suitable material.For example, it can be by cable is provided fastening clamp and can not cause the elastomeric material of the for example rubber of damage to process to it.These anchor clamps comprise two notches 130, and these notches are designed to so that open wide towards vertical tube 100 in use, and the size of each notch is designed to so that cable closely is contained in wherein.The inner surface of notch 130 can be lined with gasket material, so that the clamping cable, and can not cause damage to it.Though should be appreciated that provides two notches 130 usually, with for example hold that needs connect heliostat 12 and in " daisy chain " structure two cables of adjacent heliostat, the notch of any suitable quantity also can be provided.

Anchor clamps can be shaped as have adjacent with notch 130 and with the cavity 132 of relatively thin wall 134 adjacency.One end can closure and cavity 132 that the other end can open wide especially provides additional flexibility for anchor clamps 126 in the zone of its attached cable.The outside of anchor clamps 126 can be shaped as the passage 136 with accommodating belt 128.

That anchor clamps 126 also can comprise is inside (that is, towards vertical tube) bearing pin 138, it is configured to radially to be contained in (not shown) in the corresponding hole of vertical tube 100.This arrangement helps making anchor clamps 126 between assembling and operating period, to be located and keeps its position along vertical tube.Bearing pin 138 can have any appropriate structures.For example, these bearing pins can be shaped as the solid member integrally formed with anchor clamps 126.Perhaps, it can and be partial to vertical tube 100 by spring-loaded.

Be with 128 to be shaped as tape, this tape is configured to twine vertical tube 100 and anchor clamps 126, thereby anchor clamps are remained on the pre-position on the vertical tube.This band can be processed by any suitable for example elasticity or the material of metal material.According to its structure, it can comprise securing member 141, and this securing member constitutes fastener, so that it is fastening and around vertical tube 100.Though shown with 128 with securing member 141 be two independent elements, should be appreciated that said band can be shaped as and has tightening member, this tightening member can be integrally formed therewith and be its part, thereby needing to avoid independent securing member.

Be with 128 can have " biobelt bar " structure, particularly be fixed in part wherein at anchor clamps 126.128a is intertwined vertical tube 100 and anchor clamps 126 in addition, and is accommodated in the passage 136 that is formed in the anchor clamps.Interior band 128b only twines vertical tube 100, and is connected to 128a in addition.This can realize through interior band 128a is tightened together with in addition 128b and single fastener 141.Perhaps, available suitable binding agent bonds together it.Perhaps, in addition 128a and interior band 128b can be shaped as the part of single assembly, wherein constitute single tape with anchor clamps 126 non-conterminous parts with 128, be with simultaneously 128 with the anchor clamps adjacent areas in separate, thereby band and in addition in forming.

Socket device 110 is configured so that the external cable (those cables of for example, being fixed by cable retention device 108) of pylon 20 and being connected of inside cable (not shown).This helps providing pylon 20, and its outside need not any unnecessary electric wire or cable.When disposing heliostat 12 at the scene, this arrangement can protect the cable of pylon 20 not to be influenced by the adverse circumstances.

Shown in Fig. 6 A and 6B, socket device 110 comprises shell 142, be configured to be connected to the external interface 144 of the external cable of pylon 20, and the internal interface 146 that is configured to be connected to the inside cable of pylon 20.

That shell 142 comprises is outside 148, from the inside 152 of wherein stretching out and crooked standpipe connection 150 between the two.Outside 148 and inner 152 hold external interface 144 and internal interface 146 respectively.The curvature of standpipe connection 150 is designed to the curvature coupling with the outside of vertical tube 100, thereby is convenient to it is held.Vertical tube 100 is shaped as has through hole, and this through hole is formed and can makes the inside 152 of shell 142 pass wherein.

External interface 144 comprises one or more sockets 154, and this depends on the quantity of wanting connected external cable.Internal interface 146 generally includes the single socket 156 of the inside cable that is configured to be connected to pylon 20.In the socket 154,156 each all is configured to be connected to cable, and can comprise any suitable mounting interface, includes but not limited to threaded base, bayonet mount, master-slave socket, banana plug or any other appropriate interface.Should be appreciated that each socket all can be provided with dissimilar mounting interfaces.Socket device 110 also comprises the many wires 158 (referring to Fig. 6 B) between the socket 156 of the socket 154 that is connected external interface 144 and internal interface 146.Electric wire 158 at each socket 154, electric connection is provided between 156, and connect where necessary.

As stated, pylon 20 supports interface arrangement 22 mounted thereto.For the ease of this operation, shown in Fig. 7 A, the top of pylon 20 is shaped as has the driving bracing or strutting arrangement 112 that comprises some inside indentures 160.Each indenture 160 is equipped with from the through hole 162 that wherein passes.The part that closely is contained in the interface arrangement 22 in the top of pylon 20 is shaped as has corresponding impression 164 (referring to Fig. 7 B).Each impression 164 all is provided with through hole 166 similarly.Therefore, interface arrangement 22 can pass through securing member (for example, (not shown) such as rivet, screw, bolt) and be fixed to driving bracing or strutting arrangement 112, thereby passes the respective through hole 166 of the through hole 162 and the impression 164 of indenture 160.

The technical staff in the field under the theme disclosed in the utility model is easy to understand, under the situation that does not break away from the utility model (necessary revision) scope, can carry out multiple variation, change and modification to it in addition.

Claims

1. the cable retention device of the pylon of a heliostat that is used for central tower power station; It is characterized in that; Said cable retention device is configured to the fixed outer cable; Said cable retention device comprises anchor clamps and the band that is configured to attached cable, and said band is with said clamps and the pre-position that remains on the vertical tube of said pylon.

2. cable retention device according to claim 1 is characterized in that said anchor clamps comprise at least one notch.

3. cable retention device according to claim 2 is characterized in that the inner surface of said notch is lined with gasket material.

4. cable retention device according to claim 3 is characterized in that, said anchor clamps also comprise the cavity that contiguous said notch is shaped.

5. cable retention device according to claim 4 is characterized in that, said anchor clamps are included in the passage that is suitable for holding said band on its outside.

6. cable retention device according to claim 5 is characterized in that said anchor clamps also comprise inside bearing pin.

7. cable retention device according to claim 6 is characterized in that, at least a portion that is configured to the said band of fixing said anchor clamps is shaped as has two tapes.

8. cable retention device according to claim 7 is characterized in that said band comprises securing member.

9. the pylon of a heliostat is characterized in that, said pylon comprises according to each described cable retention device among the aforementioned claim 1-8.